Reverted seed and other changed files
All group changes made to student_teams_controller
Finished the reverted changes
Added restful routes, also deleted rogue expertiza directory
Merge https://github.com/IdeaHat/expertiza into rails4

Conflicts:
	.rspec
	.travis.yml
	app/models/permission.rb
	db/migrate/20140808212437_add_categories.rb